digital alcohol tester LST-6389

Lst-6389: Dual digital breath alcohol tester 

Features: 
- digital display results (% bac & g/l) 
- quick response and resume 
- auto power-off 
- temperature indicator 
- low voltage indicator 
- real time & alarm clock 
- countdown timer 

Main techniques: 
- sensor type: Semiconductor alcohol sensor 
- working environment: Temperature 5 to 40 degree celsius 
- detection range: 0.00% to 0.19% bac / 0.0 to 1.9g/l 
- alarming level: 0.05% bac / 0.5g/l 
- accuracy: ± 1% bac 
- response time: Within 5 seconds 
- warm-up time: Within 10 seconds 
- display: 3 digits lcd display 
- dimension: 100*37*17mm (l*w*h) 
- working voltage: 
Tester: 3v (2 * aaa alkaline battery, not included) 
Clock: 1.5v (1 * ag13 cell button, included) 
Color: White 
Material: Abs plastic 
Packing: Hanging color box with plastic tray inside pack